Home / 16,101.75-22,220.42-9,387.66

Finding the Fourth Proportional to 16,101.75, 22,220.42 and 9,387.66

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Solution

The fourth proportional to 16,101.75, 22,220.42 and 9,387.66 is: 12,954.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,101.75 : 22,220.42 = 9,387.66 : x
  2. Step 2: Convert to fraction form
    16,101.75/22,220.42 = 9,387.66/x
  3. Step 3: Cross multiply
    16,101.75x = 22,220.42 × 9,387.66
  4. Step 4: Simplify right side
    16,101.75x = 208,597,701.08
  5. Step 5: Solve for x
    x = 208,597,701.08/16,101.75
  6. Step 6: Final answer
    x = 12,954.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.